mirror of https://gitee.com/bigwinds/arangodb
75 lines
2.2 KiB
C++
75 lines
2.2 KiB
C++
////////////////////////////////////////////////////////////////////////////////
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/// DISCLAIMER
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///
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/// Copyright 2016 ArangoDB GmbH, Cologne, Germany
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///
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/// Licensed under the Apache License, Version 2.0 (the "License");
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/// you may not use this file except in compliance with the License.
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/// You may obtain a copy of the License at
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///
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/// http://www.apache.org/licenses/LICENSE-2.0
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///
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/// Unless required by applicable law or agreed to in writing, software
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/// distributed under the License is distributed on an "AS IS" BASIS,
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/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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/// See the License for the specific language governing permissions and
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/// limitations under the License.
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///
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/// Copyright holder is ArangoDB GmbH, Cologne, Germany
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///
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/// @author Dr. Frank Celler
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////////////////////////////////////////////////////////////////////////////////
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#ifndef APPLICATION_FEATURES_CHECK_VERSION_FEATURE_H
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#define APPLICATION_FEATURES_CHECK_VERSION_FEATURE_H 1
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#include "ApplicationFeatures/ApplicationFeature.h"
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struct TRI_vocbase_t;
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namespace arangodb {
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class StorageEngine;
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class CheckVersionFeature final
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: public application_features::ApplicationFeature {
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private:
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enum CheckVersionResult : int {
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NO_SERVER_VERSION = -5,
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NO_VERSION_FILE = -4,
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CANNOT_READ_VERSION_FILE = -3,
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CANNOT_PARSE_VERSION_FILE = -2,
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IS_CLUSTER = -1,
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VERSION_MATCH = 1,
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DOWNGRADE_NEEDED = 2,
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UPGRADE_NEEDED = 3,
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};
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public:
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explicit CheckVersionFeature(
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application_features::ApplicationServer* server, int* result,
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std::vector<std::string> const& nonServerFeatures);
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private:
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bool _checkVersion;
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public:
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void collectOptions(std::shared_ptr<options::ProgramOptions>) override final;
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void validateOptions(std::shared_ptr<options::ProgramOptions>) override final;
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void start() override final;
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private:
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void checkVersion();
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CheckVersionResult checkVersionFileForDB(TRI_vocbase_t* vocbase,
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StorageEngine* engine,
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uint32_t currentVersion) const;
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private:
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int* _result;
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std::vector<std::string> _nonServerFeatures;
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};
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}
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#endif
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